基于非简并双光子Jaynes-Cummings模型研究了对相干态光场的各种非经典性质,例如光场的反群聚效应,Cauchy-Schwarz不等式违背,光场的双模压缩性质等.结果表明,通过选择一定的参量或者通过选择性地探测原子内态,能使上述非经典性质得到明显增强.此外,使用(≡)型三能级原子与对相干态光场作用和使用(A)型三能级原子与光场作用相比,各种非经典性质可以获得更佳的效果.
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